经颅多普勒超声的常用骨窗是:()、()、()。
参考答案:颞窗;枕窗;眼窗
There are _____ new words in Lesson Four than in Lesson One. [ ]
A. many
B. much more
C. many more
D. more a few
破伤风的预防措施包括及时处理伤口()与()。